Home / 18,255-20,175

Finding the Third Proportional to 18,255 and 20,175

Calculator

Solution

The third proportional to 18,255 and 20,175 is: 22,296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255 : 20,175 = 20,175 : x
  2. Step 2: Convert to fraction form
    18,255/20,175 = 20,175/x
  3. Step 3: Cross multiply
    18,255x = 20,175 × 20,175
  4. Step 4: Simplify right side
    18,255x = 407,030,625
  5. Step 5: Solve for x
    x = 407,030,625/18,255
  6. Step 6: Final answer
    x = 22,296.94

Related Problems

Find third proportional to 9,127.50 and 10,087.50
Half scale
Find third proportional to 36,510 and 40,350
Double scale
Find third proportional to 18,257 and 20,177
Similar ratio
Find third proportional to 27,382.50 and 30,262.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.